Isolation and sequencing of a cDNA clone encoding 107 kDa sialoglycoprotein in rat liver lysosomal membranes

Masaru Himeno, Youichiro Noguchi, Hiroyuki Sasaki, Yoshitaka Tanaka, Koji Furuno, Akira Kono, Yoshiyuki Sakaki, Keitaro Kato

Research output: Contribution to journalArticle

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Abstract

A cDNA for 107 kDa sialoglycoprotein (LGP 107), the major protein component of rat liver lysosomal membranes, was isolated and sequenced. The 1.8 kbp cDNA contained an open reading frame encoding a polypeptide consisting of 386 amino acid residues (Mr 41914). The deduced NH2-terminal 10-residue sequence is identical with that determined for purified LGP 107. The primary structure deduced for LGP 107 contains 20 potential N-glycosylation sites and exhibits 82.5, 43 and 60% sequence similarities to mouse LAMP-1, chicken LEP 100, and a 120-kDa human lysosomal glycoprotein, respectively. Among these lysosomal glycoproteins, the amino acid sequence of the putative transmembrane segment is highly conserved. Northern blot hybridization analysis identified a single species of LGP 107 mRNA (2.1 kbp in length) in rat liver, kidney, brain, lung, spleen, heart and pancreas, although its level in pancreas was very low.

Original languageEnglish
Pages (from-to)351-356
Number of pages6
JournalFEBS Letters
Volume244
Issue number2
DOIs
Publication statusPublished - Feb 27 1989

Fingerprint

Sialoglycoproteins
Liver
Rats
Pancreas
Glycoproteins
Complementary DNA
Clone Cells
Glycosylation
Membranes
Amino Acids
Northern Blotting
Open Reading Frames
Amino Acid Sequence
Chickens
Brain
Spleen
Kidney
Lung
Messenger RNA
Peptides

All Science Journal Classification (ASJC) codes

  • Biophysics
  • Structural Biology
  • Biochemistry
  • Molecular Biology
  • Genetics
  • Cell Biology

Cite this

Isolation and sequencing of a cDNA clone encoding 107 kDa sialoglycoprotein in rat liver lysosomal membranes. / Himeno, Masaru; Noguchi, Youichiro; Sasaki, Hiroyuki; Tanaka, Yoshitaka; Furuno, Koji; Kono, Akira; Sakaki, Yoshiyuki; Kato, Keitaro.

In: FEBS Letters, Vol. 244, No. 2, 27.02.1989, p. 351-356.

Research output: Contribution to journalArticle

Himeno, Masaru ; Noguchi, Youichiro ; Sasaki, Hiroyuki ; Tanaka, Yoshitaka ; Furuno, Koji ; Kono, Akira ; Sakaki, Yoshiyuki ; Kato, Keitaro. / Isolation and sequencing of a cDNA clone encoding 107 kDa sialoglycoprotein in rat liver lysosomal membranes. In: FEBS Letters. 1989 ; Vol. 244, No. 2. pp. 351-356.
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AU - Kato, Keitaro

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